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bluewave
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The GFS finally steps off the top of MT. OLYMPUS........moves away from scaping 100.

Well I forgot to mention it again---that today is the 60th anniversary of the highest T in May     99 in 1962.      The day apparently started at 57.      Anyone have the hourly figures for that day in Central Park?

Thank You.......uncle W !!

1652961600-t5RXVMBOzVU.png

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15 minutes ago, CIK62 said:

The GFS finally steps off the top of MT. OLYMPUS........moves away from scaping 100.

Well I forgot to mention it again---that today is the 60th anniversary of the highest T in May     99 in 1962.      The day apparently started at 57.      Anyone have the hourly figures for that day in Central Park?

1652961600-t5RXVMBOzVU.png

IPS-BCFB3D95-0899-4346-94BF-2DC7313126F6.pdf (noaa.gov)

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3 hours ago, dWave said:

I noticed some forecasts have gone in that direction. Not everyone though, for what it's worth I was watching ch 7 this morn Sam Champion sounded skeptical of that. NWS forecasts for me in the middle of the Bx has went to 91 on Sat and 92 on Sun. Their rain chances on Sun have dropped to 30% as well.

I think the rain might be coming Sunday night.  This afternoon's update has 93 for Saturday (to tie the record from 1996) and 92 on Sunday.

 

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1 hour ago, bluewave said:

Looks like this will be the 2nd year in a row with the weekend before Memorial Day being warmer. 

New run

10C9B616-B1BF-4A4C-B8DE-94E65C1D0494.thumb.png.70ba290542bda835d05f334d20bddd41.png

Old run

16F09B43-C88E-4E75-878D-97AFDDB5E258.thumb.png.e7169f088fa01a4baf25f4d873fd13d8.png


 

 

 

I thought we were supposed to get very warm again for Memorial Day weekend and perhaps hit the 90s again?

 

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2 hours ago, CIK62 said:

The GFS finally steps off the top of MT. OLYMPUS........moves away from scaping 100.

Well I forgot to mention it again---that today is the 60th anniversary of the highest T in May     99 in 1962.      The day apparently started at 57.      Anyone have the hourly figures for that day in Central Park?

Thank You.......uncle W !!

1652961600-t5RXVMBOzVU.png

Lol they have 87 for Monday? I thought Monday was supposed to be much cooler.

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9 minutes ago, LibertyBell said:

I thought we were supposed to get very warm again for Memorial Day weekend and perhaps hit the 90s again?

 

Still looks like too much wavelength volatility for any extended warm ups just yet. 
 

 

 

 

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Tomorrow will be partly sunny and warmer. Temperatures will rise into the 70s throughout much of the region.

Out West, Denver, which saw temperatures rise into the upper 80s today will see showers and rain turn to a heavy snowfall tomorrow night into Saturday.

In the northern Middle Atlantic region, the warmest weather of the year so far is in store for the weekend for parts of the region. Areas on the immediate coastline where sea breezes occur may remain much cooler than interior sections. New York City and Newark could see the mercury rise into the upper 80s and lower 90s.

Overall, the second half of the month will likely be warmer than normal and there remains some possibility of an overall warm monthly outcome. The potential also exists for several very warm to perhaps hot days.

The ECMWF seasonal forecast indicates that the summer will be warmer than normal throughout the region and across much of North America.

The ENSO Region 1+2 anomaly was -1.4°C and the Region 3.4 anomaly was -1.1°C for the week centered around May 11. For the past six weeks, the ENSO Region 1+2 anomaly has averaged -1.57°C and the ENSO Region 3.4 anomaly has averaged -1.03°C. La Niña conditions will likely persist into the start of June.

The SOI was +13.19 today.

The preliminary Arctic Oscillation (AO) was +0.830 today.

On May 17 the MJO was in Phase 7 at an amplitude of 1.279 (RMM). The May 16-adjusted amplitude was 1.440 (RMM).

Based on sensitivity analysis applied to the latest guidance, there is an implied 63% probability that New York City will have a warmer than normal May (1991-2020 normal). May will likely finish with a mean temperature near 63.7° (0.5° above normal).

 

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3 hours ago, gravitylover said:

I was in Denver in July or August 1987, it was 109° downtown. 70 or so miles west I had to stop and put the (removable) moonroof back in the car because it was 24° and snowing heavily. 15 miles after that it was back to 85° and beautiful. That was fun.

Love those extremes!

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9 hours ago, winterwarlock said:

Thats a big flip flop for the models for Memorial  Day weekend. Let's  hope it flops back

The models haven’t been the greatest recently. So we have been  seeing quite a bit of run to run variation. It may be related to the record La Niña for this time of year and developing -IOD. 

 

 

 

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The next 8 days are averaging  73degs.(62/85) or +8.

Month to date is  60.7[-0.9].        Should be  64 3[+1.7] by the 28th.

Reached 68 yesterday.

Today: 71-76, wind e. to s.,m. cloudy, rain late-till midnight, 67 tomorrow AM.

I will say it again.      The GFS---a model with no Quality Control or Self-Respect.................

1653004800-PknQ2InbTvE.png

59*(90%RH) here at 7am.{ 56 at 1am}   62* at 9am.         67* at 11pm.       63* at 1pm.     68* at 2:30pm.       62* at 4pm   FOG<0.10mi.

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Morning thoughts…

Clouds and fog will give way to some sunshine. Late afternoon or overnight showers and thundershowers are possible. High temperatures will likely reach the upper 60s along the Connecticut shore to upper 80s in southeastern Pennsylvania. Likely high temperatures around the region include:

New York City (Central Park): 74°

Newark: 77°

Philadelphia: 87°

The weekend will likely see the warmest temperatures so far this season in many parts of the region. Many locations away from the water will see their first 90s of the year.

Normals:

New York City: 30-Year: 72.4°; 15-Year: 73.1°

Newark: 30-Year: 73.6°; 15-Year: 74.5°

Philadelphia: 30-Year: 75.4°; 15-Year: 76.1°

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Heat Advisories for areas north and west of NYC. Also seems as if the thunderstorm potential increased slightly:

As the ridging
attempts to get established and mid level shortwave will begin
to approach and work through from the CWA. This MCC, or what`s
left of it is now progged by most near term guidance to slide
through late in the day and into this evening. There is
uncertainty as to how much this MCC / MCV can maintain itself as
it works east of the Appalachians and closer to the Atlantic
seaboard. The instability and convection should become more
elevated as it works east as it encounter the more stable air
and relatively lower dewpoint / virtual temperature near surface
profile. Look for a thunderstorm / thundershower chance from
west to east as this system pushes through. This will ride
basically north of a warm front down to the south. The remnant
MCC /MCV should then eject to the ENE towards midnight.
Thereafter the warm front approaches and pushes through towards
daybreak Saturday morning. Look for a good deal of clouds and
low level moisture to persist through much of the night until
the warm front can clear the area. Lows will be above normal
with cloud cover in place, along with patchy fog in spots,
especially where rain can occur and moisten the ground
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beyond the heat Sat (May 21) and Sun (May 22) next shot at some quick heat (90s) would be Thu (May 26) as quick surge of heat moves through.  Memorial Day weekend still a bit iffy rain wise.  Heat wise the ceiling looks to be low 80s  (max).  Beyond there slight hint of heat signal in the Jun 4th period GFS and other guidance hints at strong ridge into the GL/OV but could see onshore along coast.   Far out there but something to track as well as any tropical development in GOM/W-FL.

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9 minutes ago, bluewave said:

The forecasts soundings for Eastern PA would support tornadoes later. We’ll have to see how close to our local area the MCS tracks. The NAM is more north while the HRRR is south. Looks like the SPC split the difference. 

911EEB28-1DB6-478D-9560-FF6DCB76EE22.thumb.png.47191591587de0c74654ae929271d1e9.png

 

Don't MCS then to move more easterly or even south easterly

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